aboutsummaryrefslogtreecommitdiff
path: root/gdb/defs.h
blob: 400f630b765430e106cb418ec27bb3bbf00a70e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
/* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
/* Basic, host-specific, and target-specific definitions for GDB.
   Copyright (C) 1986, 1989, 1991-1996, 1998-2000
   Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef DEFS_H
#define DEFS_H

#include "config.h"		/* Generated by configure */
#include <stdio.h>
#include <errno.h>		/* System call error return status */
#include <limits.h>

#ifdef HAVE_STDDEF_H
#include <stddef.h>
#else
#include <sys/types.h>		/* for size_t */
#endif

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

/* Just in case they're not defined in stdio.h. */

#ifndef SEEK_SET
#define SEEK_SET 0
#endif
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif

/* First include ansidecl.h so we can use the various macro definitions
   here and in all subsequent file inclusions.  */

#include "ansidecl.h"

#include <stdarg.h>		/* for va_list */

#include "libiberty.h"

#include "progress.h"

#ifdef USE_MMALLOC
#include "mmalloc.h"
#endif

/* For BFD64 and bfd_vma.  */
#include "bfd.h"

/* An address in the program being debugged.  Host byte order.  Rather
   than duplicate all the logic in BFD which figures out what type
   this is (long, long long, etc.) and whether it needs to be 64
   bits (the host/target interactions are subtle), we just use
   bfd_vma.  */

typedef bfd_vma CORE_ADDR;

/* This is to make sure that LONGEST is at least as big as CORE_ADDR.  */

#ifndef LONGEST

#ifdef BFD64

#define LONGEST BFD_HOST_64_BIT
#define ULONGEST BFD_HOST_U_64_BIT

#else /* No BFD64 */

#ifdef CC_HAS_LONG_LONG
#define LONGEST long long
#define ULONGEST unsigned long long
#else
#ifdef BFD_HOST_64_BIT
/* BFD_HOST_64_BIT is defined for some hosts that don't have long long
   (e.g. i386-windows) so try it.  */
#define LONGEST BFD_HOST_64_BIT
#define ULONGEST BFD_HOST_U_64_BIT
#else
#define LONGEST long
#define ULONGEST unsigned long
#endif
#endif

#endif /* No BFD64 */

#endif /* ! LONGEST */

#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif

/* Macros to do string compares.

   NOTE: cagney/2000-03-14:

   While old code can continue to refer to these macros, new code is
   probably better off using strcmp() directly vis: ``strcmp() == 0''
   and ``strcmp() != 0''.

   This is because modern compilers can directly inline strcmp()
   making the original justification for these macros - avoid function
   call overhead by pre-testing the first characters
   (``*X==*Y?...:0'') - redundant.

   ``Even if [...] testing the first character does have a modest
   performance improvement, I'd rather that whenever a performance
   issue is found that we spend the effort on algorithmic
   optimizations than micro-optimizing.'' J.T. */

#define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
#define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
#define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)

/* The character GNU C++ uses to build identifiers that must be unique from
   the program's identifiers (such as $this and $$vptr).  */
#define CPLUS_MARKER '$'	/* May be overridden to '.' for SysV */

/* Check if a character is one of the commonly used C++ marker characters.  */
extern int is_cplus_marker (int);

/* use tui interface if non-zero */
extern int tui_version;

#if defined(TUI)
/* all invocations of TUIDO should have two sets of parens */
#define TUIDO(x)	tuiDo x
#else
#define TUIDO(x)
#endif

/* enable xdb commands if set */
extern int xdb_commands;

/* enable dbx commands if set */
extern int dbx_commands;

extern int quit_flag;
extern int immediate_quit;
extern int sevenbit_strings;

extern void quit (void);

/* FIXME: cagney/2000-03-13: It has been suggested that the peformance
   benefits of having a ``QUIT'' macro rather than a function are
   marginal.  If the overhead of a QUIT function call is proving
   significant then its calling frequency should probably be reduced
   [kingdon].  A profile analyzing the current situtation is
   needed. */

#ifdef QUIT
/* do twice to force compiler warning */
#define QUIT_FIXME "FIXME"
#define QUIT_FIXME "ignoring redefinition of QUIT"
#else
#define QUIT { \
  if (quit_flag) quit (); \
  if (interactive_hook) interactive_hook (); \
  PROGRESS (1); \
}
#endif

/* Languages represented in the symbol table and elsewhere.
   This should probably be in language.h, but since enum's can't
   be forward declared to satisfy opaque references before their
   actual definition, needs to be here. */

enum language
  {
    language_unknown,		/* Language not known */
    language_auto,		/* Placeholder for automatic setting */
    language_c,			/* C */
    language_cplus,		/* C++ */
    language_java,		/* Java */
    language_chill,		/* Chill */
    language_fortran,		/* Fortran */
    language_m2,		/* Modula-2 */
    language_asm,		/* Assembly language */
    language_scm		/* Scheme / Guile */
  };

enum precision_type
  {
    single_precision,
    double_precision,
    unspecified_precision
  };

/* the cleanup list records things that have to be undone
   if an error happens (descriptors to be closed, memory to be freed, etc.)
   Each link in the chain records a function to call and an
   argument to give it.

   Use make_cleanup to add an element to the cleanup chain.
   Use do_cleanups to do all cleanup actions back to a given
   point in the chain.  Use discard_cleanups to remove cleanups
   from the chain back to a given point, not doing them.  */

struct cleanup
  {
    struct cleanup *next;
    void (*function) (PTR);
    PTR arg;
  };


/* The ability to declare that a function never returns is useful, but
   not really required to compile GDB successfully, so the NORETURN and
   ATTR_NORETURN macros normally expand into nothing.  */

/* If compiling with older versions of GCC, a function may be declared
   "volatile" to indicate that it does not return.  */

#ifndef NORETURN
#if defined(__GNUC__) \
     && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
#define NORETURN volatile
#else
#define NORETURN		/* nothing */
#endif
#endif

/* GCC 2.5 and later versions define a function attribute "noreturn",
   which is the preferred way to declare that a function never returns.
   However GCC 2.7 appears to be the first version in which this fully
   works everywhere we use it. */

#ifndef ATTR_NORETURN
#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
#define ATTR_NORETURN __attribute__ ((noreturn))
#else
#define ATTR_NORETURN		/* nothing */
#endif
#endif

#ifndef ATTR_FORMAT
#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
#define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
#else
#define ATTR_FORMAT(type, x, y)	/* nothing */
#endif
#endif

/* Needed for various prototypes */

struct symtab;
struct breakpoint;

/* From blockframe.c */

extern int inside_entry_func (CORE_ADDR);

extern int inside_entry_file (CORE_ADDR addr);

extern int inside_main_func (CORE_ADDR pc);

/* From ch-lang.c, for the moment. (FIXME) */

extern char *chill_demangle (const char *);

/* From utils.c */

extern void initialize_utils (void);

extern void notice_quit (void);

extern int strcmp_iw (const char *, const char *);

extern int subset_compare (char *, char *);

extern char *safe_strerror (int);

extern void init_malloc (void *);

extern void request_quit (int);

extern void do_cleanups (struct cleanup *);
extern void do_final_cleanups (struct cleanup *);
extern void do_my_cleanups (struct cleanup **, struct cleanup *);
extern void do_run_cleanups (struct cleanup *);
extern void do_exec_cleanups (struct cleanup *);
extern void do_exec_error_cleanups (struct cleanup *);

extern void discard_cleanups (struct cleanup *);
extern void discard_final_cleanups (struct cleanup *);
extern void discard_exec_error_cleanups (struct cleanup *);
extern void discard_my_cleanups (struct cleanup **, struct cleanup *);

/* DEPRECATED: cagney/2000-03-04: Do not use this typedef to cast
   function pointers so that they match the argument to the various
   cleanup functions.  Post GDB 5.0, this typedef will be
   deleted. [Editors note: cagney was the person that added most of
   those type casts] */
typedef void (*make_cleanup_func) (void *);

/* NOTE: cagney/2000-03-04: This typedef is strictly for the
   make_cleanup function declarations below. Do not use this typedef
   as a cast when passing functions into the make_cleanup() code.
   Instead either use a bounce function or add a wrapper function.
   Calling a f(char*) function with f(void*) is non-portable. */
typedef void (make_cleanup_ftype) (void *);

extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);

extern struct cleanup *make_cleanup_freeargv (char **);

struct ui_file;
extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);

extern struct cleanup *make_cleanup_close (int fd);

extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);

extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);

extern struct cleanup *make_my_cleanup (struct cleanup **,
					make_cleanup_ftype *, void *);

extern struct cleanup *make_run_cleanup (make_cleanup_ftype *, void *);

extern struct cleanup *make_exec_cleanup (make_cleanup_ftype *, void *);
extern struct cleanup *make_exec_error_cleanup (make_cleanup_ftype *, void *);

extern struct cleanup *save_cleanups (void);
extern struct cleanup *save_final_cleanups (void);
extern struct cleanup *save_my_cleanups (struct cleanup **);

extern void restore_cleanups (struct cleanup *);
extern void restore_final_cleanups (struct cleanup *);
extern void restore_my_cleanups (struct cleanup **, struct cleanup *);

extern void free_current_contents (void *);

extern void null_cleanup (void *);

extern int myread (int, char *, int);

extern int query (char *, ...) ATTR_FORMAT (printf, 1, 2);

#if !defined (USE_MMALLOC)
/* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
   rather than void* so that they are consistent with
   ../mmalloc/mmalloc.h. */
extern PTR mcalloc (PTR, size_t, size_t);
extern PTR mmalloc (PTR, size_t);
extern PTR mrealloc (PTR, PTR, size_t);
extern void mfree (PTR, PTR);
#endif

extern void init_page_info (void);

extern CORE_ADDR host_pointer_to_address (void *ptr);
extern void *address_to_host_pointer (CORE_ADDR addr);

/* From demangle.c */

extern void set_demangling_style (char *);

/* From tm.h */

struct type;
typedef int (use_struct_convention_fn) (int gcc_p, struct type * value_type);
extern use_struct_convention_fn generic_use_struct_convention;

typedef unsigned char *(breakpoint_from_pc_fn) (CORE_ADDR * pcptr, int *lenptr);

/* Annotation stuff.  */

extern int annotation_level;	/* in stack.c */

extern void begin_line (void);

extern void wrap_here (char *);

extern void reinitialize_more_filter (void);

/* Normal results */
extern struct ui_file *gdb_stdout;
/* Serious error notifications */
extern struct ui_file *gdb_stderr;
/* Log/debug/trace messages that should bypass normal stdout/stderr
   filtering.  For momement, always call this stream using
   *_unfiltered. In the very near future that restriction shall be
   removed - either call shall be unfiltered. (cagney 1999-06-13). */
extern struct ui_file *gdb_stdlog;
/* Target output that should bypass normal stdout/stderr filtering.
   For momement, always call this stream using *_unfiltered. In the
   very near future that restriction shall be removed - either call
   shall be unfiltered. (cagney 1999-07-02). */
extern struct ui_file *gdb_stdtarg;

#if defined(TUI)
#include "tui.h"
#include "tuiCommand.h"
#include "tuiData.h"
#include "tuiIO.h"
#include "tuiLayout.h"
#include "tuiWin.h"
#endif

#include "ui-file.h"

/* More generic printf like operations */

extern void fputs_filtered (const char *, struct ui_file *);

extern void fputs_unfiltered (const char *, struct ui_file *);

extern int fputc_filtered (int c, struct ui_file *);

extern int fputc_unfiltered (int c, struct ui_file *);

extern int putchar_unfiltered (int c);

extern void puts_filtered (const char *);

extern void puts_unfiltered (const char *);

extern void puts_debug (char *prefix, char *string, char *suffix);

extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);

extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);

extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);

extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);

extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);

extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);

extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);

extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);

extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);

extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);

extern void print_spaces (int, struct ui_file *);

extern void print_spaces_filtered (int, struct ui_file *);

extern char *n_spaces (int);

extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);

extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);

extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);

/* Display the host ADDR on STREAM formatted as ``0x%x''. */
extern void gdb_print_host_address (void *addr, struct ui_file *stream);

/* Convert a CORE_ADDR into a HEX string.  paddr() is like %08lx.
   paddr_nz() is like %lx.  paddr_u() is like %lu. paddr_width() is
   for ``%*''. */
extern int strlen_paddr (void);
extern char *paddr (CORE_ADDR addr);
extern char *paddr_nz (CORE_ADDR addr);
extern char *paddr_u (CORE_ADDR addr);
extern char *paddr_d (LONGEST addr);

extern char *phex (ULONGEST l, int sizeof_l);
extern char *phex_nz (ULONGEST l, int sizeof_l);

extern void fprintf_symbol_filtered (struct ui_file *, char *,
				     enum language, int);

extern NORETURN void perror_with_name (char *) ATTR_NORETURN;

extern void print_sys_errmsg (char *, int);

/* From regex.c or libc.  BSD 4.4 declares this with the argument type as
   "const char *" in unistd.h, so we can't declare the argument
   as "char *".  */

extern char *re_comp (const char *);

/* From symfile.c */

extern void symbol_file_command (char *, int);

/* Remote targets may wish to use this as their load function.  */
extern void generic_load (char *name, int from_tty);

/* Summarise a download */
extern void print_transfer_performance (struct ui_file *stream,
					unsigned long data_count,
					unsigned long write_count,
					unsigned long time_count);

/* From top.c */

typedef void initialize_file_ftype (void);

extern char *skip_quoted (char *);

extern char *gdb_readline (char *);

extern char *command_line_input (char *, int, char *);

extern void print_prompt (void);

extern int input_from_terminal_p (void);

extern int info_verbose;

/* From printcmd.c */

extern void set_next_address (CORE_ADDR);

extern void print_address_symbolic (CORE_ADDR, struct ui_file *, int,
				    char *);

extern int build_address_symbolic (CORE_ADDR addr,
				   int do_demangle, 
				   char **name, 
				   int *offset, 
				   char **filename, 
				   int *line, 	
				   int *unmapped);

extern void print_address_numeric (CORE_ADDR, int, struct ui_file *);

extern void print_address (CORE_ADDR, struct ui_file *);

/* From source.c */

extern int openp (char *, int, char *, int, int, char **);

extern int source_full_path_of (char *, char **);

extern void mod_path (char *, char **);

extern void directory_command (char *, int);

extern void init_source_path (void);

extern char *symtab_to_filename (struct symtab *);

/* From exec.c */

extern void exec_set_section_offsets (bfd_signed_vma text_off,
				      bfd_signed_vma data_off,
				      bfd_signed_vma bss_off);

/* From findvar.c */

extern int read_relative_register_raw_bytes (int, char *);

/* Possible lvalue types.  Like enum language, this should be in
   value.h, but needs to be here for the same reason. */

enum lval_type
  {
    /* Not an lval. */
    not_lval,
    /* In memory.  Could be a saved register.  */
    lval_memory,
    /* In a register.  */
    lval_register,
    /* In a gdb internal variable.  */
    lval_internalvar,
    /* Part of a gdb internal variable (structure field).  */
    lval_internalvar_component,
    /* In a register series in a frame not the current one, which may have been
       partially saved or saved in different places (otherwise would be
       lval_register or lval_memory).  */
    lval_reg_frame_relative
  };

struct frame_info;

void default_get_saved_register (char *raw_buffer, int *optimized,
				 CORE_ADDR * addrp,
				 struct frame_info *frame, int regnum,
				 enum lval_type *lval);

/* From readline (but not in any readline .h files).  */

extern char *tilde_expand (char *);

/* Control types for commands */

enum misc_command_type
  {
    ok_command,
    end_command,
    else_command,
    nop_command
  };

enum command_control_type
  {
    simple_control,
    break_control,
    continue_control,
    while_control,
    if_control,
    invalid_control
  };

/* Structure for saved commands lines
   (for breakpoints, defined commands, etc).  */

struct command_line
  {
    struct command_line *next;
    char *line;
    enum command_control_type control_type;
    int body_count;
    struct command_line **body_list;
  };

extern struct command_line *read_command_lines (char *, int);

extern void free_command_lines (struct command_line **);

/* To continue the execution commands when running gdb asynchronously. 
   A continuation structure contains a pointer to a function to be called 
   to finish the command, once the target has stopped. Such mechanism is
   used bt the finish and until commands, and in the remote protocol
   when opening an extended-remote connection. */

struct continuation_arg
  {
    struct continuation_arg *next;
    union continuation_data {
      void *pointer;
      int   integer;
      long  longint;
    } data;
  };

struct continuation
  {
    void (*continuation_hook) (struct continuation_arg *);
    struct continuation_arg *arg_list;
    struct continuation *next;
  };
struct continuation continuation;

/* In infrun.c. */
extern struct continuation *cmd_continuation;
/* Used only by the step_1 function. */
extern struct continuation *intermediate_continuation;

/* From utils.c */
extern void add_continuation (void (*)(struct continuation_arg *),
			      struct continuation_arg *);
extern void do_all_continuations (void);
extern void discard_all_continuations (void);

extern void add_intermediate_continuation (void (*)(struct continuation_arg *),
			      struct continuation_arg *);
extern void do_all_intermediate_continuations (void);
extern void discard_all_intermediate_continuations (void);

/* String containing the current directory (what getwd would return).  */

extern char *current_directory;

/* Default radixes for input and output.  Only some values supported.  */
extern unsigned input_radix;
extern unsigned output_radix;

/* Possibilities for prettyprint parameters to routines which print
   things.  Like enum language, this should be in value.h, but needs
   to be here for the same reason.  FIXME:  If we can eliminate this
   as an arg to LA_VAL_PRINT, then we can probably move it back to
   value.h. */

enum val_prettyprint
  {
    Val_no_prettyprint = 0,
    Val_prettyprint,
    /* Use the default setting which the user has specified.  */
    Val_pretty_default
  };


/* Host machine definition.  This will be a symlink to one of the
   xm-*.h files, built by the `configure' script.  */

#include "xm.h"

/* Native machine support.  This will be a symlink to one of the
   nm-*.h files, built by the `configure' script.  */

#include "nm.h"

/* Target machine definition.  This will be a symlink to one of the
   tm-*.h files, built by the `configure' script.  */

#include "tm.h"

/* If the xm.h file did not define the mode string used to open the
   files, assume that binary files are opened the same way as text
   files */
#ifndef FOPEN_RB
#include "fopen-same.h"
#endif

/* Microsoft C can't deal with const pointers */

#ifdef _MSC_VER
#define CONST_PTR
#else
#define CONST_PTR const
#endif

/*
 * Allow things in gdb to be declared "volatile".  If compiling ANSI, it
 * just works.  If compiling with gcc but non-ansi, redefine to __volatile__.
 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
 * objects be read-write rather than read-only.
 */

#ifndef volatile
#ifndef __STDC__
#ifdef __GNUC__
#define volatile __volatile__
#else
#define volatile		/* nothing */
#endif /* GNUC */
#endif /* STDC */
#endif /* volatile */

/* Defaults for system-wide constants (if not defined by xm.h, we fake it).
   FIXME: Assumes 2's complement arithmetic */

#if !defined (UINT_MAX)
#define	UINT_MAX ((unsigned int)(~0))	/* 0xFFFFFFFF for 32-bits */
#endif

#if !defined (INT_MAX)
#define	INT_MAX ((int)(UINT_MAX >> 1))	/* 0x7FFFFFFF for 32-bits */
#endif

#if !defined (INT_MIN)
#define INT_MIN ((int)((int) ~0 ^ INT_MAX))	/* 0x80000000 for 32-bits */
#endif

#if !defined (ULONG_MAX)
#define	ULONG_MAX ((unsigned long)(~0L))	/* 0xFFFFFFFF for 32-bits */
#endif

#if !defined (LONG_MAX)
#define	LONG_MAX ((long)(ULONG_MAX >> 1))	/* 0x7FFFFFFF for 32-bits */
#endif

#if !defined (ULONGEST_MAX)
#define	ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 32-bits */
#endif

#if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 32-bits */
#define	LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
#endif

/* Convert a LONGEST to an int.  This is used in contexts (e.g. number of
   arguments to a function, number in a value history, register number, etc.)
   where the value must not be larger than can fit in an int.  */

extern int longest_to_int (LONGEST);

/* Assorted functions we can declare, now that const and volatile are 
   defined.  */

extern char *savestring (const char *, int);

extern char *msavestring (void *, const char *, int);

extern char *strsave (const char *);

extern char *mstrsave (void *, const char *);

/* FIXME; was long, but this causes compile errors in msvc if already
   defined */
#ifdef _MSC_VER
extern PTR xmmalloc (PTR, size_t);
extern PTR xmrealloc (PTR, PTR, size_t);
#else
extern PTR xmmalloc (PTR, long);
extern PTR xmrealloc (PTR, PTR, long);
#endif

extern int parse_escape (char **);

/* Message to be printed before the error message, when an error occurs.  */

extern char *error_pre_print;

/* Message to be printed before the error message, when an error occurs.  */

extern char *quit_pre_print;

/* Message to be printed before the warning message, when a warning occurs.  */

extern char *warning_pre_print;

extern NORETURN void verror (const char *fmt, va_list ap) ATTR_NORETURN;

extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN;

/* DEPRECATED: Use error(), verror() or error_stream(). */
extern NORETURN void error_begin (void);

extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;

/* Returns a freshly allocate buffer containing the last error
   message.  */
extern char *error_last_message (void);

extern NORETURN void internal_verror (const char *, va_list ap) ATTR_NORETURN;

extern NORETURN void internal_error (char *, ...) ATTR_NORETURN;

extern NORETURN void nomem (long) ATTR_NORETURN;

/* Reasons for calling return_to_top_level.  Note: enum value 0 is
   reserved for internal use as the return value from an initial
   setjmp().  */

enum return_reason
  {
    /* User interrupt.  */
    RETURN_QUIT = 1,
    /* Any other error.  */
    RETURN_ERROR
  };

#define	ALL_CLEANUPS	((struct cleanup *)0)

#define RETURN_MASK(reason)	(1 << (int)(reason))
#define RETURN_MASK_QUIT	RETURN_MASK (RETURN_QUIT)
#define RETURN_MASK_ERROR	RETURN_MASK (RETURN_ERROR)
#define RETURN_MASK_ALL		(RETURN_MASK_QUIT | RETURN_MASK_ERROR)
typedef int return_mask;

extern NORETURN void return_to_top_level (enum return_reason) ATTR_NORETURN;

/* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
   otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
   probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
   value. It's unfortunate that, catch_errors() does not return an
   indication of the exact exception that it caught - quit_flag might
   help. */

typedef int (catch_errors_ftype) (PTR);
extern int catch_errors (catch_errors_ftype *, PTR, char *, return_mask);

/* Template to catch_errors() that wraps calls to command
   functions. */

typedef void (catch_command_errors_ftype) (char *, int);
extern int catch_command_errors (catch_command_errors_ftype *func, char *command, int from_tty, return_mask);

extern void warning_begin (void);

extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);

/* Global functions from other, non-gdb GNU thingies.
   Libiberty thingies are no longer declared here.  We include libiberty.h
   above, instead.  */

#ifndef GETENV_PROVIDED
extern char *getenv (const char *);
#endif

/* From other system libraries */

#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif

#ifdef HAVE_STDLIB_H
#if defined(_MSC_VER) && !defined(__cplusplus)
/* msvc defines these in stdlib.h for c code */
#undef min
#undef max
#endif
#include <stdlib.h>
#endif
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif


/* We take the address of fclose later, but some stdio's forget
   to declare this.  We can't always declare it since there's
   no way to declare the parameters without upsetting some compiler
   somewhere. */

#ifndef FCLOSE_PROVIDED
extern int fclose (FILE *);
#endif

#ifndef atof
extern double atof (const char *);	/* X3.159-1989  4.10.1.1 */
#endif

#ifndef MALLOC_INCOMPATIBLE

#ifdef NEED_DECLARATION_MALLOC
extern PTR malloc ();
#endif

#ifdef NEED_DECLARATION_REALLOC
extern PTR realloc ();
#endif

#ifdef NEED_DECLARATION_FREE
extern void free ();
#endif

#endif /* MALLOC_INCOMPATIBLE */

/* Various possibilities for alloca.  */
#ifndef alloca
#ifdef __GNUC__
#define alloca __builtin_alloca
#else /* Not GNU C */
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#else
#ifdef _AIX
#pragma alloca
#else

/* We need to be careful not to declare this in a way which conflicts with
   bison.  Bison never declares it as char *, but under various circumstances
   (like __hpux) we need to use void *.  */
#if defined (__STDC__) || defined (__hpux)
extern void *alloca ();
#else /* Don't use void *.  */
extern char *alloca ();
#endif /* Don't use void *.  */
#endif /* Not _AIX */
#endif /* Not HAVE_ALLOCA_H */
#endif /* Not GNU C */
#endif /* alloca not defined */

/* HOST_BYTE_ORDER must be defined to one of these.  */

#ifdef HAVE_ENDIAN_H
#include <endian.h>
#endif

#if !defined (BIG_ENDIAN)
#define BIG_ENDIAN 4321
#endif

#if !defined (LITTLE_ENDIAN)
#define LITTLE_ENDIAN 1234
#endif

/* Dynamic target-system-dependent parameters for GDB. */
#include "gdbarch.h"
#if (GDB_MULTI_ARCH == 0)
/* Multi-arch targets _should_ be including "arch-utils.h" directly
   into their *-tdep.c file.  This is a prop to help old non-
   multi-arch targets to continue to compile. */
#include "arch-utils.h"
#endif

/* Static target-system-dependent parameters for GDB. */

/* Number of bits in a char or unsigned char for the target machine.
   Just like CHAR_BIT in <limits.h> but describes the target machine.  */
#if !defined (TARGET_CHAR_BIT)
#define TARGET_CHAR_BIT 8
#endif

/* Number of bits in a short or unsigned short for the target machine. */
#if !defined (TARGET_SHORT_BIT)
#define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
#endif

/* Number of bits in an int or unsigned int for the target machine. */
#if !defined (TARGET_INT_BIT)
#define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
#endif

/* Number of bits in a long or unsigned long for the target machine. */
#if !defined (TARGET_LONG_BIT)
#define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
#endif

/* Number of bits in a long long or unsigned long long for the target machine. */
#if !defined (TARGET_LONG_LONG_BIT)
#define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
#endif

/* Number of bits in a float for the target machine. */
#if !defined (TARGET_FLOAT_BIT)
#define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
#endif

/* Number of bits in a double for the target machine. */
#if !defined (TARGET_DOUBLE_BIT)
#define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
#endif

/* Number of bits in a long double for the target machine.  */
#if !defined (TARGET_LONG_DOUBLE_BIT)
#define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
#endif

/* Number of bits in a pointer for the target machine */
#if !defined (TARGET_PTR_BIT)
#define TARGET_PTR_BIT TARGET_INT_BIT
#endif

/* Number of bits in a BFD_VMA for the target object file format. */
#if !defined (TARGET_BFD_VMA_BIT)
#define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
#endif

/* If we picked up a copy of CHAR_BIT from a configuration file
   (which may get it by including <limits.h>) then use it to set
   the number of bits in a host char.  If not, use the same size
   as the target. */

#if defined (CHAR_BIT)
#define HOST_CHAR_BIT CHAR_BIT
#else
#define HOST_CHAR_BIT TARGET_CHAR_BIT
#endif

/* The bit byte-order has to do just with numbering of bits in
   debugging symbols and such.  Conceptually, it's quite separate
   from byte/word byte order.  */

#if !defined (BITS_BIG_ENDIAN)
#define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
#endif

/* In findvar.c.  */

extern LONGEST extract_signed_integer (void *, int);

extern ULONGEST extract_unsigned_integer (void *, int);

extern int extract_long_unsigned_integer (void *, int, LONGEST *);

extern CORE_ADDR extract_address (void *, int);

extern CORE_ADDR extract_typed_address (void *buf, struct type *type);

extern void store_signed_integer (void *, int, LONGEST);

extern void store_unsigned_integer (void *, int, ULONGEST);

extern void store_address (void *, int, LONGEST);

extern void store_typed_address (void *buf, struct type *type, CORE_ADDR addr);

/* Setup definitions for host and target floating point formats.  We need to
   consider the format for `float', `double', and `long double' for both target
   and host.  We need to do this so that we know what kind of conversions need
   to be done when converting target numbers to and from the hosts DOUBLEST
   data type.  */

/* This is used to indicate that we don't know the format of the floating point
   number.  Typically, this is useful for native ports, where the actual format
   is irrelevant, since no conversions will be taking place.  */

extern const struct floatformat floatformat_unknown;

#if HOST_BYTE_ORDER == BIG_ENDIAN
#ifndef HOST_FLOAT_FORMAT
#define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
#endif
#ifndef HOST_DOUBLE_FORMAT
#define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
#endif
#else /* LITTLE_ENDIAN */
#ifndef HOST_FLOAT_FORMAT
#define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
#endif
#ifndef HOST_DOUBLE_FORMAT
#define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
#endif
#endif

#ifndef HOST_LONG_DOUBLE_FORMAT
#define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
#endif

/* Use `long double' if the host compiler supports it.  (Note that this is not
   necessarily any longer than `double'.  On SunOS/gcc, it's the same as
   double.)  This is necessary because GDB internally converts all floating
   point values to the widest type supported by the host.

   There are problems however, when the target `long double' is longer than the
   host's `long double'.  In general, we'll probably reduce the precision of
   any such values and print a warning.  */

#ifdef HAVE_LONG_DOUBLE
typedef long double DOUBLEST;
#else
typedef double DOUBLEST;
#endif

extern void floatformat_to_doublest (const struct floatformat *,
				     char *, DOUBLEST *);
extern void floatformat_from_doublest (const struct floatformat *,
				       DOUBLEST *, char *);
extern DOUBLEST extract_floating (void *, int);

extern void store_floating (void *, int, DOUBLEST);

/* On some machines there are bits in addresses which are not really
   part of the address, but are used by the kernel, the hardware, etc.
   for special purposes.  ADDR_BITS_REMOVE takes out any such bits
   so we get a "real" address such as one would find in a symbol
   table.  This is used only for addresses of instructions, and even then
   I'm not sure it's used in all contexts.  It exists to deal with there
   being a few stray bits in the PC which would mislead us, not as some sort
   of generic thing to handle alignment or segmentation (it's possible it
   should be in TARGET_READ_PC instead). */
#if !defined (ADDR_BITS_REMOVE)
#define ADDR_BITS_REMOVE(addr) (addr)
#endif /* No ADDR_BITS_REMOVE.  */

/* From valops.c */

extern CORE_ADDR push_bytes (CORE_ADDR, char *, int);

extern CORE_ADDR push_word (CORE_ADDR, ULONGEST);

extern int watchdog;

/* Hooks for alternate command interfaces.  */

#ifdef UI_OUT
/* The name of the interpreter if specified on the command line. */
extern char *interpreter_p;
#endif

/* If a given interpreter matches INTERPRETER_P then it should update
   command_loop_hook and init_ui_hook with the per-interpreter
   implementation. */
/* FIXME: command_loop_hook and init_ui_hook should be moved here. */

struct target_waitstatus;
struct cmd_list_element;

/* Should the asynchronous variant of the interpreter (using the
   event-loop) be enabled? */
extern int event_loop_p;

extern void (*init_ui_hook) (char *argv0);
extern void (*command_loop_hook) (void);
extern void (*show_load_progress) (const char *section,
				   unsigned long section_sent, 
				   unsigned long section_size, 
				   unsigned long total_sent, 
				   unsigned long total_size);
extern void (*print_frame_info_listing_hook) (struct symtab * s,
					      int line, int stopline,
					      int noerror);
extern struct frame_info *parse_frame_specification (char *frame_exp);
extern int (*query_hook) (const char *, va_list);
extern void (*warning_hook) (const char *, va_list);
extern void (*flush_hook) (struct ui_file * stream);
extern void (*create_breakpoint_hook) (struct breakpoint * b);
extern void (*delete_breakpoint_hook) (struct breakpoint * bpt);
extern void (*modify_breakpoint_hook) (struct breakpoint * bpt);
extern void (*interactive_hook) (void);
extern void (*registers_changed_hook) (void);
extern void (*readline_begin_hook) (char *,...);
extern char *(*readline_hook) (char *);
extern void (*readline_end_hook) (void);
extern void (*register_changed_hook) (int regno);
extern void (*memory_changed_hook) (CORE_ADDR addr, int len);
extern void (*context_hook) (int);
extern int (*target_wait_hook) (int pid, struct target_waitstatus * status);

extern void (*attach_hook) (void);
extern void (*detach_hook) (void);
extern void (*call_command_hook) (struct cmd_list_element * c,
				  char *cmd, int from_tty);

extern void (*set_hook) (struct cmd_list_element * c);

extern NORETURN void (*error_hook) (void) ATTR_NORETURN;

extern void (*error_begin_hook) (void);

extern int (*ui_load_progress_hook) (const char *section, unsigned long num);


/* Inhibit window interface if non-zero. */

extern int use_windows;

/* Symbolic definitions of filename-related things.  */
/* FIXME, this doesn't work very well if host and executable
   filesystems conventions are different.  */

#ifndef DIRNAME_SEPARATOR
#define DIRNAME_SEPARATOR ':'
#endif

#ifndef SLASH_P
#if defined(__GO32__)||defined(_WIN32)
#define SLASH_P(X) ((X)=='\\')
#else
#define SLASH_P(X) ((X)=='/')
#endif
#endif

#ifndef SLASH_CHAR
#if defined(__GO32__)||defined(_WIN32)
#define SLASH_CHAR '\\'
#else
#define SLASH_CHAR '/'
#endif
#endif

#ifndef SLASH_STRING
#if defined(__GO32__)||defined(_WIN32)
#define SLASH_STRING "\\"
#else
#define SLASH_STRING "/"
#endif
#endif

#ifndef ROOTED_P
#define ROOTED_P(X) (SLASH_P((X)[0]))
#endif

/* On some systems, PIDGET is defined to extract the inferior pid from
   an internal pid that has the thread id and pid in seperate bit
   fields.  If not defined, then just use the entire internal pid as
   the actual pid. */

#ifndef PIDGET
#define PIDGET(PID) (PID)
#define TIDGET(PID) 0
#define MERGEPID(PID, TID) (PID)
#endif

/* If under Cygwin, provide backwards compatibility with older
   Cygwin compilers that don't define the current cpp define. */
#ifdef __CYGWIN32__
#ifndef __CYGWIN__
#define __CYGWIN__
#endif
#endif

/* Define well known filenos if the system does not define them.  */
#ifndef STDIN_FILENO
#define STDIN_FILENO   0
#endif
#ifndef STDOUT_FILENO
#define STDOUT_FILENO  1
#endif
#ifndef STDERR_FILENO
#define STDERR_FILENO  2
#endif

/* If this definition isn't overridden by the header files, assume
   that isatty and fileno exist on this system.  */
#ifndef ISATTY
#define ISATTY(FP)	(isatty (fileno (FP)))
#endif


/* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
   libgdb.h or gdblib.h. */

/* Return-code (RC) from a gdb library call.  (The abreviation RC is
   taken from the sim/common directory.) */

enum gdb_rc {
  /* The operation failed.  The failure message can be fetched by
     calling ``char *error_last_message(void)''. The value is
     determined by the catch_errors() interface. */
  /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
     internal / quit indication it is not possible to return that
     here. */
  GDB_RC_FAIL = 0,
  /* No error occured but nothing happened. Due to the catch_errors()
     interface, this must be non-zero. */
  GDB_RC_NONE = 1,
  /* The operation was successful. Due to the catch_errors()
     interface, this must be non-zero. */
  GDB_RC_OK = 2
};


/* Print the specified breakpoint on GDB_STDOUT. (Eventually this
   function will ``print'' the object on ``output''). */
enum gdb_rc gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum);

/* Create a breakpoint at ADDRESS (a GDB source and line). */
enum gdb_rc gdb_breakpoint (char *address, char *condition,
			    int hardwareflag, int tempflag,
			    int thread, int ignore_count);
enum gdb_rc gdb_thread_select (/* output object */ char *tidstr);

#ifdef UI_OUT
/* Print a list of known thread ids. */
enum gdb_rc gdb_list_thread_ids (/* output object */);

/* Switch thread and print notification. */
#endif
#endif /* #ifndef DEFS_H */